diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index c5c1311..73df66e 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -54,20 +54,6 @@
 const Register StringCompareDescriptor::RightRegister() { return a0; }
 
 
-const Register ArgumentsAccessReadDescriptor::index() { return a1; }
-const Register ArgumentsAccessReadDescriptor::parameter_count() { return a0; }
-
-
-const Register ArgumentsAccessNewDescriptor::function() { return a1; }
-const Register ArgumentsAccessNewDescriptor::parameter_count() { return a2; }
-const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return a3; }
-
-
-const Register RestParamAccessDescriptor::parameter_count() { return a2; }
-const Register RestParamAccessDescriptor::parameter_pointer() { return a3; }
-const Register RestParamAccessDescriptor::rest_parameter_index() { return a4; }
-
-
 const Register ApiGetterDescriptor::function_address() { return a2; }
 
 
@@ -96,6 +82,32 @@
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
+void FastNewObjectDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {a1, a3};
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
+}
+
+void FastNewRestParameterDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {a1};
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
+}
+
+
+void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {a1};
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
+}
+
+
+void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {a1};
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
+}
+
 
 void ToNumberDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -113,6 +125,10 @@
 
 
 // static
+const Register ToNameDescriptor::ReceiverRegister() { return a0; }
+
+
+// static
 const Register ToObjectDescriptor::ReceiverRegister() { return a0; }
 
 
@@ -165,13 +181,6 @@
 }
 
 
-void StoreArrayLiteralElementDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a3, a0};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
-
 void CallFunctionWithFeedbackDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a1, a3};
@@ -407,6 +416,14 @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void InterpreterDispatchDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {
+      kInterpreterAccumulatorRegister, kInterpreterRegisterFileRegister,
+      kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister,
+      kInterpreterDispatchTableRegister};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
 
 void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -418,7 +435,6 @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-
 void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
@@ -430,7 +446,6 @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-
 void InterpreterCEntryDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {